Input Range
±150 mV, ±500 mV, ±1 V, ±5 V, ±10 V, ±20 mA, 0~20 mA, 4~20 mA, 0~150 mV, 0~500 mV, 0~1 V, 0~5 V, 0~10 V
Input Voltage
Dry contact Logic level 0: close to GND, Logic level 1: open.
Wet Contact Logic level 0: 0~3 VDC, Logic level 1: 10~30 VDC